| 发明名称 |
PRODUCTION OF THERMOPLASTIC FILMS |
| 摘要 |
An apparatus and method for producing rolls of film having no hard spots by slitting a tubular film with oscillating slitting knives and compensating for the fluctuation in the edges of the slit film due to the oscillation of the knives so as to obtain a reeled film having good edge register.
|
| 申请公布号 |
US3801036(A) |
申请公布日期 |
1974.04.02 |
| 申请号 |
USD3801036 |
申请日期 |
1971.06.28 |
| 申请人 |
IMPERIAL CHEM IND LTD,GB |
发明人 |
HASLER R,GB |
| 分类号 |
B26D7/32;B26D1/03;B29C71/00;B29D1/00;B65H23/038;B65H23/32;D01D5/42;(IPC1-7):B65H35/02;B65H75/02 |
主分类号 |
B26D7/32 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
